Commonwealth legislation

AD/CESSNA 170/55 - Exhaust Heater/Muffler

In ForceCTH

Jurisdiction

Commonwealth

Collection

legislative instrument

Plain English Summary

2/10 complexity

Requires owners/operators of Cessna 172 aeroplanes (serial numbers 36216–36769) that have not had service kit SK-172-10 or SK-172-10A fitted to inspect and, if needed, repair the exhaust heater/muffler following FAA AD 90-06-03 R1 and related Cessna service letters. Compliance is required within 100 hours time-in-service from 13 June 1991; the stated purpose is to prevent exhaust-muffler cracking that could cause dangerous carbon monoxide levels.

JSON API

Deep dive

Want the full deep dive?

Zoe can write the in-depth analysis on top of the summary above: how it works, who it affects and what each part actually does.

Current sections

Direct links to the current provisions in AD/CESSNA 170/55 - Exhaust Heater/Muffler.

AD/CESSNA 170/55 - Exhaust Heater/Muffler

meta-content-style-type: text/css meta-content-type: application/xhtml+xml; charset=utf-8 meta-generator: Aspose.Words for .NET 22.10.0

?xml version="1.0" encoding="utf-8" standalone="no"?>

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

View image in the official source Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes

AD/CESSNA 170/55 Exhaust Heater/Muffler 6/91

Applicability: All Cessna 172 Series (Serial Numbers 36216 through 36769) that have not been modified with Cessna Service kit SK-172-10 or SK-172-10A.

Requirement: Inspect and/or rectify subject aircraft in accordance with FAA AD90-06-03 R1.

Note: FAA AD 90-06-03 R1 refers to Cessna Service Letter (SL) 170/172-11 dated 3 February 1958 and Cessna SL 170/172-13, dated 7 April 1958 contain information that pertains to this subject AD.

Compliance: Within 100 hours time-in-service from 13 June 1991.

Background: FAA AD action is intended to prevent cracking of the exhaust heater/muffler that could result in dangerous carbon monoxide levels.

Source text

Sourced from the Federal Register of Legislation (legislation.gov.au), CC BY 4.0.